| /* |
| * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * Debug.eventqueue test - instead of screen scraping, test the concept of asking Debug for |
| * an event log of favourable events. |
| * |
| * @test |
| * @fork |
| * @option -Dnashorn.debug=true |
| * @option --log=recompile:quiet |
| * @option --optimistic-types=true |
| * @run |
| */ |
| |
| print(Debug); |
| print(); |
| |
| var Reflector = Java.type("jdk.nashorn.test.models.Reflector"); |
| var forName = java.lang.Class["forName(String)"]; |
| var RuntimeEvent = forName("jdk.nashorn.internal.runtime.events.RuntimeEvent").static; |
| var getValue = RuntimeEvent.class.getMethod("getValue"); |
| var getValueClass = RuntimeEvent.class.getMethod("getValueClass"); |
| |
| print(RuntimeEvent); |
| |
| var RewriteException = forName("jdk.nashorn.internal.runtime.RewriteException").static; |
| var getReturnType = RewriteException.class.getMethod("getReturnType"); |
| |
| print(RewriteException); |
| |
| var a = [1.1, 2.2]; |
| function f() { |
| var sum = 2; |
| for (var i = 0; i < a.length; i++) { |
| sum *= a[i]; |
| } |
| return sum; |
| } |
| |
| function g() { |
| var diff = 17; |
| for (var i = 0; i < a.length; i++) { |
| diff -= a[i]; |
| } |
| return diff; |
| } |
| |
| //kill anything that may already be in the event queue from earlier debug runs |
| Debug.clearRuntimeEvents(); |
| |
| print(); |
| print(f()); |
| print(g()); |
| |
| print(); |
| events = Debug.getRuntimeEvents(); |
| print("Done with " + events.length + " in the event queue"); |
| //make sure we got runtime events |
| print("events = " + (events.toString().indexOf("RuntimeEvent") != -1)); |
| print("events.length = " + events.length); |
| |
| var lastInLoop = undefined; |
| for (var i = 0; i < events.length; i++) { |
| var e = events[i]; |
| print("event #" + i); |
| print("\tevent class=" + e.getClass()); |
| print("\tvalueClass in event=" + Reflector.invoke(getValueClass, e)); |
| var v = Reflector.invoke(getValue, e); |
| print("\tclass of value=" + v.getClass()); |
| print("\treturn type=" + Reflector.invoke(getReturnType, v)); |
| lastInLoop = events[i]; |
| } |
| |
| print(); |
| print("in loop last class = " + lastInLoop.getClass()); |
| print("in loop last value class = " + Reflector.invoke(getValueClass, lastInLoop)); |
| var rexInLoop = Reflector.invoke(getValue, lastInLoop); |
| print("in loop rex class = " + rexInLoop.getClass()); |
| print("in loop rex return type = " + Reflector.invoke(getReturnType, rexInLoop)); |
| |
| //try last runtime events |
| var last = Debug.getLastRuntimeEvent(); |
| //the code after the loop creates additional rewrite exceptions |
| print(); |
| print(last !== lastInLoop); |
| print(); |
| |
| print("last class = " + last.getClass()); |
| print("last value class = " + Reflector.invoke(getValueClass, last)); |
| var rex = Reflector.invoke(getValue, last); |
| print("rex class = " + rex.getClass()); |
| print("rex return type = " + Reflector.invoke(getReturnType, rex)); |
| |
| //try the capacity setter |
| print(); |
| print(Debug.getEventQueueCapacity()); |
| Debug.setEventQueueCapacity(2048); |
| print(Debug.getEventQueueCapacity()); |
| |
| //try clear events |
| print(); |
| Debug.clearRuntimeEvents(); |
| print(Debug.getRuntimeEvents().length); |
| |